CN201588818U - Air guide hood body structure for fan - Google Patents
Air guide hood body structure for fan Download PDFInfo
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- CN201588818U CN201588818U CN2009202667692U CN200920266769U CN201588818U CN 201588818 U CN201588818 U CN 201588818U CN 2009202667692 U CN2009202667692 U CN 2009202667692U CN 200920266769 U CN200920266769 U CN 200920266769U CN 201588818 U CN201588818 U CN 201588818U
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Abstract
The utility model relates to an air guide hood body structure used for a fan, which comprises a front air guide casing and a plurality of front net supports; air outlets are formed at the front end of the front air guide casing; the front net supports are arranged in the air outlets of the front air guide casing and comprise a plurality of supports for supporting and a plurality of supports for air guide; the widths of the supports for supporting are smaller; and the supports for air guide are arranged among the supports for supporting at equal intervals, and the widths of the supports for air guide are larger than those of the supports for supporting. The air guide hood body structure used for the fan has the advantages of simple and convenient manufacture and low cost, the flow guide structures of the supports for supporting and the supports for air guide can be used for collecting and guiding the airflow, so as to enable the airflow to be approximately and parallelly blown out along the direction of the flow guide structures, therefore, the air outlet distance of airflow is extended, and the airflow noise is reduced.
Description
Technical field
The utility model relates to a kind of wind scooper body structure, particularly relates to a kind of wind scooper body structure that can promote air-out effect that is used for fan.
Background technique
Fig. 1 represents general electric fan on the market, described electric fan 10 comprises at least: front fan protecting wire net 101, aft-fan protecting wire net 102, the motor 104 that has the impeller 103 of flabellum 1031 and rotating shaft 1032 and be used for drives impeller, and described front fan protecting wire net 101 only is made up of a plurality of lamettas with the body frame structure of aft-fan protecting wire net 102.Traditional electrical fan 10 utilizes motor 104 drives impeller 103, and fan protecting wire net 101 before and after being provided with, 102 purpose is to avoid the flabellum 1031 because of in the touching rotation to cause danger, and the formation of air-flow is the rotation by flabellum 1031, extract air-flow also pushes and produces toward front fan protecting wire net 101 from aft-fan protecting wire net 102 outsides, though described air-flow roughly blows out abreast towards the place ahead of electric fan 10, and front fan protecting wire net 101, the exterior structure of aft-fan protecting wire net 102 has the space, many places to be used for the air communication mistake, but still be subject to the interference of surrounding atmosphere, therefore, cause air-flow toward around wandering and wind-force is presented scatter shape, thereby must can experience its wind-force in close electric fan 10 certain distances.
In addition, in order to improve the wind-force of electric fan, traditional method is the rotating speed that increases the electric fan flabellum, and still, the rotating speed that increases flabellum will make the side effect that electric fan produces high noisy and causes high power consumption, runs in the opposite direction with advocating environment protection now and energy-conservation trend.
In order to solve the hypodynamic problem of traditional electrical fan wind, the conception of attempting the general electric fan of improvement is also arranged, as shown in Figure 2, electric fan 20 comprises at least: front fan protecting wire net 201, and it has a plurality of first screw pieces 2012, a plurality of second screw piece 2013 and two round frameworks 2011; Aft-fan protecting wire net (not shown); Impeller (not expression in graphic), it has flabellum (not shown) and rotating shaft (not shown); The motor (not shown), it is used to drive described impeller, wherein, described first screw piece 2012 is distributed in the described front fan protecting wire net 201 fifty-fifty, and each described second screw piece 2013 is located between each described first screw piece 2012 equally spacedly, but described second screw piece 2013 is not distributed in the inner ring of described front fan protecting wire net 201.Described fan 20 utilizes the rotating shaft on the motor impeller to rotate flabellum, thereby generation air-flow, and the design of a plurality of first screw pieces 2012, a plurality of second screw piece 2013 and two round frameworks 2011 by front fan protecting wire net 201, than general traditional electrical fan more air-flow can be pushed with the more parallel direction of fan shaft on advance.Yet, though the air-flow that described fan 20 is produced more can push air-flow abreast than general electric fan, but air-flow wind-force that it pushed and air conducting efficient are not enough to some extent, in addition, the noise that is produced the also traditional electrical fan than general is big, thereby be not suitable for being used in place (for example: use the space of stereo set etc.) to the noise sensitivity, therefore, the Consumer is for having low noise, low power consumption, high gas flow air-out distance with high wind-force and can increase the cross-ventilated flow guide structure that is used for fan very high expectation is arranged.
The model utility content
The shortcoming of prior art in view of the above, this novel purpose is to provide a kind of wind scooper body structure that is used for fan, the air-out distance that can prolong air-flow, and lower pneumatic noise.
For reaching above-mentioned and other purpose, the utility model provides a kind of wind scooper body structure that is used for fan, comprising: preceding ventilation case, and its front end has exhaust outlet; Net support before a plurality of, they are located at the exhaust outlet of described preceding ventilation case, and wherein, described preceding net support comprises: a plurality of support supports, their width is less; A plurality of wind-guiding supports, they be arranged on equally spacedly described support with between the support and its width greater than described support support.
At the described wind scooper body structure that is used for fan, described preceding ventilation case can be cylinder shape, and described wind-guiding uses the quantity of support to be 3.
At the described wind scooper body structure that is used for fan, the net support can be helical structure or the straight line shape structure that extends out to the exhaust outlet wall between therefrom before described, and described spiral helicine before the spiral extension direction of net support can be opposite with the sense of rotation of flabellum.
According to structure mentioned above, described support uses the width ratio of support to be 1: 2 to 1: 6 with support and wind-guiding, with support can be at grade with the cephalolateral margin of support, and the width direction of net support can be parallel with the axis direction of preceding ventilation case before described with support for the wind-guiding of net support before described.
Still at the described wind scooper body structure that is used for fan, the center that described preceding net support can have at least one former net support is the annulus frame in the center of circle, and described annulus frame can be connected in preceding net support, and the cephalolateral margin of the cephalolateral margin of annulus frame and preceding net support can be at grade.
In sum, the wind scooper body structure that is used for fan of the present utility model has the advantage cheaply that reaches simple for production, and can utilize described support to concentrate near the flabellum air with the diversion Design of support with support and wind-guiding, and adjustment is by the air intake direction of the air that flabellum extracted, and then converge and the flow direction of correcting air-flow air-out, make air-flow along flow guide structure direction almost parallel blow out, thereby the air-out distance that prolongs air-flow and lowers pneumatic noise.
Description of drawings
Fig. 1 represents known fan structure.
Fig. 2 represents the fan structure that another is known.
Fig. 3 A to Fig. 3 C is first embodiment's of the wind scooper body structure that is used for a fan of the present utility model schematic representation, and wherein, Fig. 3 A is the example that is applied on the fan, and Fig. 3 B is a plan view, and Fig. 3 C is the partial enlarged drawing of rear view.
Fig. 4 A to Fig. 4 C represents second embodiment's of the wind scooper body structure that is used for fan of the present utility model schematic representation, and wherein, Fig. 4 A is the example that is applied on the fan, and Fig. 4 B is a plan view, and Fig. 4 C is the partial enlarged drawing of rear view.
[primary clustering symbol description]
10,20 electric fans
101,201 front fan protecting wire nets
102 aft-fan protecting wire nets
103,403,503 impellers
104 motors
1031 flabellums
1032 rotating shafts
2011 circle frameworks
2,012 first screw pieces
2,013 second screw pieces
402,502 rear cover bodies
40,50 fans
401,501 preceding cover bodies
4012,5012 preceding net supports
40121,50121 support supports
40122,50122 wind-guiding supports
40123,50123 annulus framves
4011,5011 preceding ventilation cases
40111,50111 leading portion cylinder shape housings
40112,50112 back segment cylinder shape housings
Embodiment
Below by specific instantiation mode of execution of the present utility model is described, those skilled in the art can understand advantage of the present utility model and effect easily by the content that this specification disclosed.The utility model can also other different mode be implemented, and, under the prerequisite of the technological thought that does not deviate from the utility model and disclosed, can carry out different modifications and change that is.
Fig. 3 A to Fig. 3 C is first embodiment's of the wind scooper body structure that is used for a fan of the present utility model schematic representation, and wherein, Fig. 3 A is the example that is applied on the fan, and Fig. 3 B is a plan view, and Fig. 3 C is the partial enlarged drawing of rear view.
As shown in Figure 3A, use the fan 40 that is used for the wind scooper body structure of fan of the present utility model and comprise: preceding cover body 401, rear cover body 402 and the impeller 403 with multi-disc flabellum, wherein, described impeller 403 is positioned within preceding cover body 401 and the rear cover body 402.
Fig. 3 B and Fig. 3 C represent to have the preceding cover body 401 of the preceding net support 4012 of straight line shape, and a plurality of preceding net supports 4012 are arranged on the exhaust outlet of described preceding ventilation case 4011, and described preceding net support 4012 comprises at least: a plurality of supports support 40121, and their width is less; Wind-guiding support 40122, it is arranged on equally spacedly and supports with between the support 40121, and width is greater than supporting with support 40121.In addition, respectively forming support and can keep firm for net support 4012 before making, to bring into play the effectiveness of its rectification and water conservancy diversion, before net support 4012 have at least one roughly before the center of net support 4012 be the annulus frame 40123 in the center of circle, and described annulus frame 40123 is connected in supports with support 40121 and wind-guiding with support 40122, and the cephalolateral margin of annulus frame 40123 with support with the cephalolateral margin of support 40122 at grade with support 40121 and wind-guiding, with fixing wind-guiding with support 40122 and support and use support 40121.Use the width difference of support 40122 with support 40121 and the bigger wind-guiding of width by the less support of width in the net support 4012 before described, make wheel rotor 403 formed air-flows, be able to because of the bigger wind-guiding of width with in addition water conservancy diversion and rectification of support 40122, and blow out direction of axis line almost parallel airflow flowing along ventilation case.In addition, the width direction of net support 4012 and the axis parallel of preceding ventilation case 4011 before described, and the cephalolateral margin of the wind-guiding of preceding net support 4012 usefulness support 40122 and support usefulness support 40121 at grade, make wind-guiding with the posterior lateral margin of support 40122 compared to support with support 40121 backward (promptly towards impeller 403 directions) stretch out, with the generation wind effect.Support with support 40121 and wind-guiding and be adjusted into 1: 2 to 1: 6 with the width ratio of support 40122, wherein, be preferable with 1: 3 ratio again, and use support 40121 and wind-guiding with regard to support 40122 both employed total quantitys with regard to supporting, wind-guiding must not be less than 2 with support 40122 is minimum, and with 3 preferable, 6 are better, but the upper limit must not be above 16; And support with support 40121 there is no particular restriction quantity, minimumly must not be less than 2, and wind-guiding is arranged on equally spacedly with support 40122 and supports between the usefulness support 40121.Before the support of net support 4012 can adjust to some extent along with the size of fan with the composition and the quantity thereof of support 40122 with support 40121 and wind-guiding, that is fan dimension increases, support 40121 and 40122 composition and also increase thereupon of quantity thereof.That is to say, can be by adjusting wind-guiding with support 40122 and the width ratio and the quantitative proportion that support with support 40121, with generation that reduces noise and the air-out distance that adds air flow, and further improve the convection current effect of air circulation.
In addition, preceding ventilation case 4011 is the multistage cylinder shape housings that are made of the hollow cylindrical body that has different-diameter more than at least 1, and wherein, the diameter of described cylinder shape housing both ends open is also inequality.In specific words, before ventilation case 4011 can constitute by the bigger back segment cylinder shape housing 40112 of less leading portion cylinder shape housing of diameter 40111 and diameter, wherein, with ventilation case 4011 before described at an end opening of the less leading portion cylinder shape housing 40111 of diameter as exhaust outlet, that is, described exhaust outlet diameter is consistent with the diameter of leading portion cylinder shape housing 40111, and described leading portion cylinder shape housing 40111 engages with the back segment cylinder shape housing 40112 of slightly larger in diameter in leading portion cylinder shape housing 40111.Therefore, the hollow cylindrical body of the preceding ventilation case 4011 of utilization further air-guiding carries out multiple rectification and water conservancy diversion, thereby air-flow is mobile with the direction of the shaft axis of ventilation case 4011 before being parallel to by the exhaust outlet of preceding cover body 401, and then prolongs the distance of air-flow air-out.
Fig. 4 A to Fig. 4 C is second embodiment's of the wind scooper body structure that is used for a fan of the present utility model schematic representation, and wherein, Fig. 4 A is the example that is applied on the fan, and Fig. 4 B is a plan view, and Fig. 4 C is the partial enlarged drawing of rear view.
Shown in Fig. 4 A, use the fan 50 that is used for the wind scooper body structure of fan of the present utility model and comprise: preceding cover body 501, rear cover body 502 and impeller 503 with multi-disc flabellum.Wherein, described impeller 503 is positioned within preceding cover body 501 and the rear cover body 502.
Fig. 4 B to Fig. 4 C represents to have the preceding cover body 501 of net support 5012 before the helical, net support 5012 is arranged on the exhaust outlet of described preceding ventilation case 5011 before a plurality of, described preceding net support 5012 in this example comprises at least: a plurality of supports support 50121, and their width is less; Wind-guiding support 50122, it is arranged on equally spacedly and supports with between the support 50121, and width is greater than supporting with support 50121.In addition, for make of the present utility model before respectively the forming support and can keep firm of net support 5012, to bring into play the effectiveness of its rectification and water conservancy diversion, before net support 5012 have at least one roughly before the center of net support 5012 be the annulus frame 50123 in the center of circle, and described annulus frame 50123 is connected in supports with support 50121 and wind-guiding with support 50122, and the cephalolateral margin of annulus frame 50123 with support with the cephalolateral margin of support 50122 at grade with support 50121 and wind-guiding, with fixing wind-guiding with support 50122 and support and use support 50121., make wheel rotor 503 drive the formed air-flow of flabellums and be able to that in addition water conservancy diversion and rectification blow out direction of axis line almost parallel airflow flowing along preceding ventilation case 5011 with support 50122 because of the bigger wind-guiding of width with the width difference of the bigger wind-guiding of support 50121 and width by the less support of width in the net support 5012 before described with support 50122.
In addition, the spiral extension direction of preceding net support 5012 is opposite with the sense of rotation of flabellum, and the axis parallel of the width direction of preceding net support 5012 and preceding ventilation case 5011, and the cephalolateral margin of the wind-guiding of preceding net support 5012 usefulness support 50122 and support usefulness support 50121 at grade, make wind-guiding with the posterior lateral margin of support 50122 compared to support with support 50121 backward (promptly towards impeller 503 directions) stretch out, to produce wind effect, and support with support 50121 and wind-guiding and be adjusted into 1: 2 to 1: 6 with the width ratio of support 50122, wherein, be preferable with 1: 3 ratio again, and use support 50121 and wind-guiding with regard to support 50122 both employed total quantitys with regard to supporting, wind-guiding must not be less than 2 with support 50122 is minimum, and with 3 preferable, 6 are better, but the upper limit must not be above 16; And support with support 50121 there is no particular restriction quantity, minimumly must not be less than 2, it is noted that wind-guiding must be arranged on equally spacedly with support 50122 to support between the usefulness support 50121.The composition of preceding net support 5012 and quantity thereof can be adjusted to some extent along with the size of this fan, that is fan dimension increases then also increase thereupon of the composition of preceding net support 5012 and quantity thereof.That is to say, can be by adjusting wind-guiding with support 50122 and the width ratio and the quantitative proportion that support with support 50121, with the generation that reduces noise with add the air-out distance of air flow, and further improve the convection current effect of air circulation.
In addition, preceding ventilation case 5011 is the cylinder shape housings that are made of the hollow cylindrical body that has different-diameter more than at least 1, and wherein, the diameter of described cylinder shape housing both ends open is also inequality.In specific words, before ventilation case 5011 can constitute by the bigger back segment cylinder shape housing 50112 of less leading portion cylinder shape housing of diameter 50111 and diameter, wherein, with ventilation case 5011 before described at an end opening of the less leading portion cylinder shape housing 50111 of diameter as exhaust outlet, that is, described exhaust outlet diameter is consistent with the diameter of leading portion cylinder shape housing 50111, and described leading portion cylinder shape housing 50111 engages with the back segment cylinder shape housing 50112 of slightly larger in diameter in leading portion cylinder shape housing.Therefore, the hollow cylindrical body of the preceding ventilation case 5011 of utilization further air-guiding carries out multiple rectification and water conservancy diversion, thereby air-flow is mobile with the direction of axis line of ventilation case 5011 before being parallel to by the exhaust outlet of preceding cover body 501, and then prolongs the distance of air-flow air-out.
In addition, in order to improve the stable of running and to reduce the noise that is produced when rotary power unit operates, flabellum should maintain a certain distance with preceding cover body, the setting of described flabellum is not overlapping fully with preceding cover body, also can be particularly be set to 5mm to 50mm near the described flabellum leading edge of preceding cover body to the beeline of the outer rim of preceding cover body, but preferable with 8mm to 25mm, by elongating the distance of flabellum to preceding net support outer rim, the noise that is produced when helping too to reduce running.
By above-mentioned example as can be known, before the action principle of ventilation case be the air-flow that flabellum is produced and the air insulated of context, can allow the exhaust outlet of air-flow straight forward and only stay, and the wind-guiding that utilizes specific width and quantity support and support support, make that using fan structure of the present utility model can have good air-flow rectification and water conservancy diversion effect, and then improve air-flow air-out distance and can increase cross-ventilation, disturb and at random and reduction wind speed to avoid air-flow to be subjected to surrounding atmosphere too early.
The actual measurement example:
At first, under same Dimensions, get 2 10 inches fan and install respectively that the wind scooper body structure that is used for fan of the present utility model of net support is as fan test object A and fan test object B before the net support and screw type before the straight line type additional, the known electric fan of getting 1 10 inches again is as fan test object C.Rotate above-mentioned 3 fan test object A, B, C, test near the air quantity test object A, B, the C and at the noise and the wind speed at different distance place, its test result is as shown in the table:
By the measurement of last table as can be known, compared to general electric fan, have the fan that is used for the wind scooper body structure of fan of the present utility model and reach the effect that reduces pneumatic noise and air-flow is pushed to farther distance really, hence one can see that, install feasible air intake direction the constituting of fan that is used for the wind scooper body structure of fan of the present utility model additional by preceding net support by the air that flabellum extracted, the design of width and quantity thereof and converging and the flow direction of correcting air-flow, thereby the general electric fan of the air-flow that is blown out more can reduce pneumatic noise, and air-flow can be pushed to farther distance.
The foregoing description is only in order to illustrate principle of the present utility model and effect thereof illustratively, but not is used to limit the utility model.Protection domain of the present utility model should be determined according to the record content of claims of the present utility model.
Claims (10)
1. a wind scooper body structure that is used for fan is characterized in that, comprising:
Preceding ventilation case, its front end has exhaust outlet; Net support before a plurality of, they are arranged on the exhaust outlet of described preceding ventilation case, and wherein, described preceding net support comprises: a plurality of support supports, their width is less; A plurality of wind-guiding supports, they be arranged on equally spacedly described support with between the support and its width greater than described support support.
2. the wind scooper body structure that is used for fan as claimed in claim 1 is characterized in that, described preceding ventilation case is a cylinder shape.
3. the wind scooper body structure that is used for fan as claimed in claim 1 is characterized in that, described wind-guiding is 3 with the quantity of support.
4. the wind scooper body structure that is used for fan as claimed in claim 1 is characterized in that, helical structure or the straight line shape structure of described preceding net support for extend out to the exhaust outlet wall from the centre.
5. the wind scooper body structure that is used for fan as claimed in claim 1 is characterized in that, described support is 1: 2 to 1: 6 with support and described wind-guiding with the width ratio of support.
6. the wind scooper body structure that is used for fan as claimed in claim 1 is characterized in that, described before the net support wind-guiding with support with support at grade with the cephalolateral margin of support.
7. the wind scooper body structure that is used for fan as claimed in claim 2 is characterized in that, the width direction of described preceding net support is parallel with the axis direction of preceding ventilation case.
8. the wind scooper body structure that is used for fan as claimed in claim 1 is characterized in that, the center that described preceding net support has at least one former net support is the annulus frame in the center of circle.
9. the wind scooper body structure that is used for fan as claimed in claim 8 is characterized in that, described annulus frame is connected in described preceding net support, and the cephalolateral margin of the cephalolateral margin of described annulus frame and described preceding net support at grade.
10. the wind scooper body structure that is used for fan as claimed in claim 4 is characterized in that, the spiral extension direction of described spiral helicine preceding net support is opposite with the sense of rotation of flabellum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202667692U CN201588818U (en) | 2009-11-20 | 2009-11-20 | Air guide hood body structure for fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202667692U CN201588818U (en) | 2009-11-20 | 2009-11-20 | Air guide hood body structure for fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201588818U true CN201588818U (en) | 2010-09-22 |
Family
ID=42748596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202667692U Expired - Lifetime CN201588818U (en) | 2009-11-20 | 2009-11-20 | Air guide hood body structure for fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201588818U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105091280A (en) * | 2015-09-07 | 2015-11-25 | 珠海格力电器股份有限公司 | Radome, air inlet system and circular cabinet air conditioner |
| CN104595209B (en) * | 2013-11-02 | 2016-09-07 | 任文华 | Fan |
| CN108953226A (en) * | 2018-08-09 | 2018-12-07 | 珠海格力电器股份有限公司 | Air guide structure and fan comprising same |
-
2009
- 2009-11-20 CN CN2009202667692U patent/CN201588818U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104595209B (en) * | 2013-11-02 | 2016-09-07 | 任文华 | Fan |
| CN105091280A (en) * | 2015-09-07 | 2015-11-25 | 珠海格力电器股份有限公司 | Radome, air inlet system and circular cabinet air conditioner |
| CN105091280B (en) * | 2015-09-07 | 2018-05-15 | 珠海格力电器股份有限公司 | Radome, air inlet system and circular cabinet air conditioner |
| CN108953226A (en) * | 2018-08-09 | 2018-12-07 | 珠海格力电器股份有限公司 | Air guide structure and fan comprising same |
| CN108953226B (en) * | 2018-08-09 | 2023-11-21 | 珠海格力电器股份有限公司 | Air guide structure and fan comprising same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100922 |